login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A038794 T(n,n-4), array T as in A038792. 0
1, 5, 12, 21, 34, 55, 88, 138, 211, 314, 455, 643, 888, 1201, 1594, 2080, 2673, 3388, 4241, 5249, 6430, 7803, 9388, 11206, 13279, 15630, 18283, 21263, 24596, 28309, 32430, 36988, 42013, 47536, 53589, 60205, 67418, 75263 (list; graph; refs; listen; history; text; internal format)
OFFSET

4,2

LINKS

Table of n, a(n) for n=4..41.

FORMULA

For n>5, a(n) = (n^4-18n^3+143n^2-486n+672)/24.

CROSSREFS

Sequence in context: A121291 A097984 A028347 * A225284 A217649 A131976

Adjacent sequences:  A038791 A038792 A038793 * A038795 A038796 A038797

KEYWORD

nonn

AUTHOR

Clark Kimberling, May 02 2000

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified May 21 15:07 EDT 2013. Contains 225504 sequences.